The monthly savings of M and N is in the ratio of 4 : 5. If savings of M is increased by 10% and savings of N is decreased by 15%, then the difference between the savings of M and N would be Rs. 750. Find the average of original savings of M and N.
1
Rs. 23400
2
Rs. 20500
3
Rs. 24000
4
Rs. 20100
5
Rs. 22500